Factor XI Assay

Light Blue TopTube Type
Test ID   LAB309
EPIC Order
CPT Code(s)   85270
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   30 Routine: 888 STAT
Specimen Routine: 2.7 mL Blood/Light Blue Top Tube;  See Important Comments
  Pediatric: 1.8 mL Blood Pediatric Light Blue Top Tube
Unspun: 4 hours
Room temperature: 4 hours
Refrigerator: NO
Frozen: 14 days
Availability Routine: 24 Hours/Day
Turnaround Time   Stat 90 minutes; Routine 3 hrs
Reference Range Normal: 53-117% of Normal
  Critical: <10% of Normal

Internal Reference Testing Specimen Handling Instructions:

Platelet Poor; Aliquot and Freeze within 4 hours

Comments Deliver Immediately: If more than 2 Factor Assays are ordered: 2 Light Blue Top Tubes need to be drawn.

Reviewed by gloria_crawford on June 22, 2016

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514